Funnel



FIG. 1 is a front perspective view of a funnel showing my new design;

FIG. 2 is a top plan view of my new design;

FIG. 3 is a side view thereof, which is a mirror image of the opposite side thereof;

FIG. 4 is a rear view of my new design;

FIG. 5 is a front view of my design; and,

FIG. 6 is a bottom plan view of my new design. 

The ornamental design for a funnel, as shown and described. 